This is Austrian mountain climber Christian Stangl during a press conference in Vienna. He had claimed to have summited K2, the World's second tallest mountain, and also tried to prove it with a photograph. He later retracted his claim. When someone tells a lie, you should always see three or more signs in a short period of time which are consistent with lying or which contradict what they say verbally - before you conclude they are lying. This photograph shows a nose rub, which is one of the more common and reliable signs of lying-associated-anxiety.
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